EP3514346A1 - Zündvorrichtung und verbrennungsmotor - Google Patents

Zündvorrichtung und verbrennungsmotor Download PDF

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Publication number
EP3514346A1
EP3514346A1 EP19152891.8A EP19152891A EP3514346A1 EP 3514346 A1 EP3514346 A1 EP 3514346A1 EP 19152891 A EP19152891 A EP 19152891A EP 3514346 A1 EP3514346 A1 EP 3514346A1
Authority
EP
European Patent Office
Prior art keywords
chamber
ignition device
air
fuel mixture
ignition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19152891.8A
Other languages
English (en)
French (fr)
Inventor
Kenichi Hayakawa
Kentaroh Hagita
Naoto Jikutani
Toshiyuki IKEOH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018200020A external-priority patent/JP7183692B2/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP3514346A1 publication Critical patent/EP3514346A1/de
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/12—Engines characterised by precombustion chambers with positive ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/16—Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/16—Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
    • F02B19/18—Transfer passages between chamber and cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P13/00—Sparking plugs structurally combined with other parts of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P23/00—Other ignition
    • F02P23/04—Other physical ignition means, e.g. using laser rays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/54—Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
    • F02B19/1066—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s) pre-combustion chamber having an inlet and an outlet port and with two distinct intake conduits or with one intake conduit in which the heavier fuel particles are separated from the main stream, e.g. by gravitational forces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
EP19152891.8A 2018-01-23 2019-01-21 Zündvorrichtung und verbrennungsmotor Pending EP3514346A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018009215 2018-01-23
JP2018200020A JP7183692B2 (ja) 2018-01-23 2018-10-24 点火装置及び内燃機関

Publications (1)

Publication Number Publication Date
EP3514346A1 true EP3514346A1 (de) 2019-07-24

Family

ID=65138938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19152891.8A Pending EP3514346A1 (de) 2018-01-23 2019-01-21 Zündvorrichtung und verbrennungsmotor

Country Status (2)

Country Link
US (1) US11047292B2 (de)
EP (1) EP3514346A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11035335B2 (en) * 2019-11-14 2021-06-15 Caterpillar Inc. Laser ignition system
DE102020103863B4 (de) * 2020-02-14 2023-04-27 Bayerische Motoren Werke Aktiengesellschaft Fremd gezündete Hubkolben-Brennkraftmaschine mit einem Vorkammerzündsystem
JP7457610B2 (ja) * 2020-09-01 2024-03-28 株式会社やまびこ ２ストロークエンジン
CN115823581B (zh) * 2023-01-09 2023-09-22 江苏大学 一种火炬点火器的喷注器

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071001A (en) * 1974-04-02 1978-01-31 Toyota Jidosha Kogyo Kabushiki Kaisha Stratified combustion engine with prechamber
DE102006018973A1 (de) * 2006-04-25 2007-10-31 Kuhnert-Latsch-GbR (vertretungsberechtigter Gesellschafter Herr Dr.-Ing. Reinhard Latsch, 76530 Baden-Baden) Laserzündung in einer Vorkammer
WO2010112279A1 (de) * 2009-04-03 2010-10-07 Robert Bosch Gmbh Laserzündkerze und vorkammermodul hierfür
US20120125287A1 (en) * 2010-11-23 2012-05-24 Woodward, Inc. Controlled Spark Ignited Flame Kernel Flow in Fuel-Fed Prechambers
JP2014522939A (ja) 2011-07-12 2014-09-08 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング レーザ点火プラグ用のプリチャンバモジュールおよび該プリチャンバモジュールの製造法
US20160273443A1 (en) * 2015-03-20 2016-09-22 Woodward, Inc. Parallel Prechamber Ignition System
JP2018009215A (ja) 2016-07-13 2018-01-18 株式会社荏原製作所 基板ホルダ及びこれを用いためっき装置
JP2018200020A (ja) 2017-05-26 2018-12-20 ヤンマー株式会社 エンジンの触媒冷却装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026903A (de) * 1973-07-12 1975-03-20
JPS538749A (en) 1976-07-10 1978-01-26 Hitachi Ltd Gas insulating machine and apparatus
DE102009047019A1 (de) 2009-11-23 2011-05-26 Robert Bosch Gmbh Laserzündkerze
JP5630765B2 (ja) 2010-09-21 2014-11-26 株式会社日本自動車部品総合研究所 レーザ点火装置
US8584648B2 (en) 2010-11-23 2013-11-19 Woodward, Inc. Controlled spark ignited flame kernel flow
CN105637216B (zh) 2013-03-15 2020-02-28 伍德沃德有限公司 受控火花点火火焰核心流动
EP3002834B1 (de) 2014-09-30 2019-09-25 Ricoh Company, Ltd. Laservorrichtung, zündsystem und verbrennungsmotor
JP6741207B2 (ja) 2014-09-30 2020-08-19 株式会社リコー レーザ装置、点火装置及び内燃機関

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071001A (en) * 1974-04-02 1978-01-31 Toyota Jidosha Kogyo Kabushiki Kaisha Stratified combustion engine with prechamber
DE102006018973A1 (de) * 2006-04-25 2007-10-31 Kuhnert-Latsch-GbR (vertretungsberechtigter Gesellschafter Herr Dr.-Ing. Reinhard Latsch, 76530 Baden-Baden) Laserzündung in einer Vorkammer
WO2010112279A1 (de) * 2009-04-03 2010-10-07 Robert Bosch Gmbh Laserzündkerze und vorkammermodul hierfür
US20120125287A1 (en) * 2010-11-23 2012-05-24 Woodward, Inc. Controlled Spark Ignited Flame Kernel Flow in Fuel-Fed Prechambers
JP2014522939A (ja) 2011-07-12 2014-09-08 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング レーザ点火プラグ用のプリチャンバモジュールおよび該プリチャンバモジュールの製造法
US20160273443A1 (en) * 2015-03-20 2016-09-22 Woodward, Inc. Parallel Prechamber Ignition System
JP2018009215A (ja) 2016-07-13 2018-01-18 株式会社荏原製作所 基板ホルダ及びこれを用いためっき装置
JP2018200020A (ja) 2017-05-26 2018-12-20 ヤンマー株式会社 エンジンの触媒冷却装置

Also Published As

Publication number Publication date
US11047292B2 (en) 2021-06-29
US20190226387A1 (en) 2019-07-25

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